Iron alloy with chromium and iron as main components. It is one of the main alloying agents used in the iron and steel industry. It contains carbon, silicon, sulfur, phosphorus and other impurities in addition to the main components of chromium and iron. Ferrochromium contains 55% to 75% of chromium, which is divided into high carbon (4% to 10%C), medium carbon (0.5% to 4%C), low carbon (>0.15% to 0.5%C) and Micro carbon (≤0.15%C) ferrochrome.
High-carbon ferrochromium is also called carbon ferrochromium, medium, low and micro carbon ferrochromium is also called refined ferrochromium. A high-carbon ferrochrome produced from chromium ore with a low chromium-iron ratio, containing 50% to 55% of Cr is called charge grade ferrochromium, and nitrogen-containing ferrochromium containing N2% to 10% is used as a nitrogen alloying agent. Also called ferrochromium nitride.
